Omron 3G3MX2

Name: Omron 3G3MX2 Modbus register map
Creator: ModbusCloud
Published: 2026-10-26T01:55:50.215476+00:00

Frequency inverter for motors up to 15 kW: speed, current, power, faults and all drive settings.

The Omron 3G3MX2 is a compact frequency inverter that controls the speed of pumps, fans, conveyors and machines up to 15 kW. This Modbus RTU template reads frequency, current, voltage, power, temperatures and the fault history, and lets you start, stop and set the speed and every drive parameter from ModbusCloud.

Protocol: Modbus RTU
Connection: RS485, 9600 baud
Registers: 736, read and write

Brand: Omron
Key readings: Output frequency · Output current · Output voltage · Input power · DC bus voltage · Heat sink temperature · Trip factor · Run hours
Available commands: Run and stop · Rotation direction · Frequency setpoint · Acceleration and deceleration time · Trip reset
Compatible models: 3G3MX2 (MX2) 200 V single-phase 0.1 to 2.2 kW · 3G3MX2 (MX2) 200 V three-phase 0.1 to 15 kW · 3G3MX2 (MX2) 400 V three-phase 0.4 to 15 kW
Last updated: 26 October 2026

Registers (736)

734 read, 573 write

Name	Unit	Access
Output Frequency Monitor	Hz	Read
Output Current Monitor	A	Read
Rotation Direction Monitor		Read
PID Feedback Value Monitor		Read
Multi-function Input Monitor		Read
Multi-function Output Monitor		Read
Output Frequency Monitor (After Conversion)		Read
Real Frequency Monitor	Hz	Read
Torque Reference Monitor	%	Read
Torque Bias Monitor	%	Read
Output Torque Monitor	%	Read
Output Voltage Monitor	V	Read
Input Power Monitor	kW	Read
Integrated Power Monitor		Read
Total RUN Time	h	Read
Power ON Time Monitor	h	Read
Fin Temperature Monitor	°C	Read
Life Assessment Monitor		Read
Program Counter		Read
Program Number		Read
DC Voltage Monitor	V	Read
Regenerative Braking Load Rate Monitor	%	Read
Electronic Thermal Monitor	%	Read
Drive Programming Monitor (UM0)		Read
Drive Programming Monitor (UM1)		Read
Drive Programming Monitor (UM2)		Read
Position Command Monitor		Read
Current Position Monitor		Read
Inverter Mode		Read
Frequency Source Monitor		Read
Run Source Monitor		Read
Analog Input O Monitor		Read
Analog Input OI Monitor		Read
Pulse Train Input Monitor	%	Read
PID Deviation Monitor	%	Read
PID Output Monitor	%	Read
Output Frequency Setting	Hz	Read and write
Inverter Status A		Read
Inverter Status B		Read
Inverter Status C		Read
PID Feedback	%	Read and write
Fault Count Monitor		Read
Fault Monitor 1 Factor		Read
Fault Monitor 1 Inverter Status		Read
Fault Monitor 1 Frequency	Hz	Read
Fault Monitor 1 Current	A	Read
Fault Monitor 1 Voltage	V	Read
Fault Monitor 1 Running Time	h	Read
Fault Monitor 1 Power-on Time	h	Read
Fault Monitor 2 Factor		Read
Fault Monitor 2 Inverter Status		Read
Fault Monitor 2 Frequency	Hz	Read
Fault Monitor 2 Current	A	Read
Fault Monitor 2 Voltage	V	Read
Fault Monitor 2 Running Time	h	Read
Fault Monitor 2 Power-on Time	h	Read
Fault Monitor 3 Factor		Read
Fault Monitor 3 Inverter Status		Read
Fault Monitor 3 Frequency	Hz	Read
Fault Monitor 3 Current	A	Read
Fault Monitor 3 Voltage	V	Read
Fault Monitor 3 Running Time	h	Read
Fault Monitor 3 Power-on Time	h	Read
Fault Monitor 4 Factor		Read
Fault Monitor 4 Inverter Status		Read
Fault Monitor 4 Frequency	Hz	Read
Fault Monitor 4 Current	A	Read
Fault Monitor 4 Voltage	V	Read
Fault Monitor 4 Running Time	h	Read
Fault Monitor 4 Power-on Time	h	Read
Fault Monitor 5 Factor		Read
Fault Monitor 5 Inverter Status		Read
Fault Monitor 5 Frequency	Hz	Read
Fault Monitor 5 Current	A	Read
Fault Monitor 5 Voltage	V	Read
Fault Monitor 5 Running Time	h	Read
Fault Monitor 5 Power-on Time	h	Read
Fault Monitor 6 Factor		Read
Fault Monitor 6 Inverter Status		Read
Fault Monitor 6 Frequency	Hz	Read
Fault Monitor 6 Current	A	Read
Fault Monitor 6 Voltage	V	Read
Fault Monitor 6 Running Time	h	Read
Fault Monitor 6 Power-on Time	h	Read
Warning Monitor		Read
Coil Operation Command		Read and write
Coil Rotation Direction Command		Read and write
Coil External Trip (EXT)		Read and write
Coil Trip Reset (RS)		Read and write
Coil Intelligent Input Terminal [1]		Read and write
Coil Intelligent Input Terminal [2]		Read and write
Coil Intelligent Input Terminal [3]		Read and write
Coil Intelligent Input Terminal [4]		Read and write
Coil Intelligent Input Terminal [5]		Read and write
Coil Intelligent Input Terminal [6]		Read and write
Coil Intelligent Input Terminal [7]		Read and write
Coil Operation Status		Read
Coil Rotation Direction		Read
Coil Inverter Ready		Read
Coil RUN (Running)		Read
Coil FA1 (Constant-speed Reached)		Read
Coil FA2 (Set Frequency Overreached)		Read
Coil OL (Overload Advance Notice (1))		Read
Coil OD (Output Deviation for PID Control)		Read
Coil AL (Alarm Signal)		Read
Coil FA3 (Set Frequency Reached)		Read
Coil OTQ (Over-torque)		Read
Coil UV (Undervoltage)		Read
Coil TRQ (Torque Limited)		Read
Coil RNT (Operation Time Over)		Read
Coil ONT (Plug-in Time Over)		Read
Coil THM (Thermal Alarm Signal)		Read
Coil BRK (Brake Release)		Read
Coil BER (Brake Error)		Read
Coil ZS (0 Hz Detection Signal)		Read
Coil DSE (Speed Deviation Maximum)		Read
Coil POK (Positioning Completed)		Read
Coil FA4 (Set Frequency Overreached 2)		Read
Coil FA5 (Set Frequency Reached 2)		Read
Coil OL2 (Overload Notice Advance (2))		Read
Coil Odc: Analog O Disconnection Detection		Read
Coil OIDc: Analog OI Disconnection Detection		Read
Coil FBV (PID Feedback Comparison)		Read
Coil NDc (Communication Train Disconnection)		Read
Coil LOG1 (Logical Operation Result 1)		Read
Coil LOG2 (Logical Operation Result 2)		Read
Coil LOG3 (Logical Operation Result 3)		Read
Coil WAC (Capacitor Life Warning)		Read
Coil WAF (Cooling-fan Speed Drop)		Read
Coil FR (Starting Contact Signal)		Read
Coil OHF (Heat Sink Overheat Warning)		Read
Coil LOC (Low-current Indication Signal)		Read
Coil M01 (General Output 1)		Read
Coil M02 (General Output 2)		Read
Coil M03 (General Output 3)		Read
Coil IRDY (Inverter Ready)		Read
Coil FWR (Forward Rotation)		Read
Coil RVR (Reverse Rotation)		Read
Coil MJA (Major Failure)		Read
Coil Data Writing in Progress		Read
Coil CRC Error		Read
Coil Overrun		Read
Coil Framing Error		Read
Coil Parity Error		Read
Coil Sum Check Error		Read
Coil WCO (Window Comparator O)		Read
Coil WCOI (Window Comparator OI)		Read
Coil OPDc (Option Disconnection)		Read
Coil FREF (FQ Command Source)		Read
Coil REF (RUN Command Source)		Read
Coil SETM (2nd Motor Selected)		Read
Coil EDM (Gate Suppress Monitor)		Read
Writing to EEPROM		Write
EEPROM Write Mode		Write
Acceleration Time 1	s	Read and write
Deceleration Time 1	s	Read and write
Operator Rotation Direction Selection		Read and write
Frequency Reference Selection		Read and write
Run Command Selection		Read and write
Base Frequency	Hz	Read and write
Maximum Frequency	Hz	Read and write
O/OI Selection		Read and write
O Start Frequency	Hz	Read and write
O End Frequency	Hz	Read and write
O Start Ratio	%	Read and write
O End Ratio	%	Read and write
O Start Selection		Read and write
O, O2, OI Sampling		Read and write
Drive Programming (EzSQ) Selection		Read and write
Multi-step Speed Selection		Read and write
Multi-step Speed Reference 0	Hz	Read and write
Multi-step Speed Reference 1	Hz	Read and write
Multi-step Speed Reference 2	Hz	Read and write
Multi-step Speed Reference 3	Hz	Read and write
Multi-step Speed Reference 4	Hz	Read and write
Multi-step Speed Reference 5	Hz	Read and write
Multi-step Speed Reference 6	Hz	Read and write
Multi-step Speed Reference 7	Hz	Read and write
Multi-step Speed Reference 8	Hz	Read and write
Multi-step Speed Reference 9	Hz	Read and write
Multi-step Speed Reference 10	Hz	Read and write
Multi-step Speed Reference 11	Hz	Read and write
Multi-step Speed Reference 12	Hz	Read and write
Multi-step Speed Reference 13	Hz	Read and write
Multi-step Speed Reference 14	Hz	Read and write
Multi-step Speed Reference 15	Hz	Read and write
Jogging Frequency	Hz	Read and write
Jogging Stop Selection		Read and write
Torque Boost Selection		Read and write
Manual Torque Boost Voltage	%	Read and write
Manual Torque Boost Frequency	%	Read and write
V/F Characteristics Selection		Read and write
Output Voltage Gain	%	Read and write
Automatic Torque Boost Voltage Compensation Gain	%	Read and write
Automatic Torque Boost Slip Compensation Gain	%	Read and write
DC Injection Braking Enable		Read and write
DC Injection Braking Frequency	Hz	Read and write
DC Injection Braking Delay Time	s	Read and write
DC Injection Braking Power	%	Read and write
DC Injection Braking Time	s	Read and write
DC Injection Braking Method Selection		Read and write
Startup DC Injection Braking Power	%	Read and write
Startup DC Injection Braking Time	s	Read and write
DC Injection Braking Carrier Frequency		Read and write
Frequency Upper Limit	Hz	Read and write
Frequency Lower Limit	Hz	Read and write
Jump Frequency 1	Hz	Read and write
Jump Frequency Width 1	Hz	Read and write
Jump Frequency 2	Hz	Read and write
Jump Frequency Width 2	Hz	Read and write
Jump Frequency 3	Hz	Read and write
Jump Frequency Width 3	Hz	Read and write
Acceleration Stop Frequency	Hz	Read and write
Acceleration Stop Time	s	Read and write
PID Selection		Read and write
PID P Gain		Read and write
PID I Gain	s	Read and write
PID D Gain	s	Read and write
PID Scale		Read and write
PID Feedback Selection		Read and write
Reverse PID Function		Read and write
PID Output Limit Function	%	Read and write
PID Feedforward Selection		Read and write
AVR Selection		Read and write
AVR Voltage Selection		Read and write
AVR Filter Time Constant	s	Read and write
AVR Deceleration Gain	%	Read and write
Energy-saving Operation Mode		Read and write
Energy-saving Response Accuracy Adjustment	%	Read and write
Acceleration Time 2	s	Read and write
Deceleration Time 2	s	Read and write
Acc2/Dec2 Switching Method		Read and write
Acc1 to Acc2 Frequency Transition Point	Hz	Read and write
Dec1 to Dec2 Frequency Transition Point	Hz	Read and write
Acceleration Curve Selection		Read and write
Deceleration Curve Setting		Read and write
OI Input Active Range Start Frequency	Hz	Read and write
OI Input Active Range End Frequency	%	Read and write
OI Input Active Range Start Ratio	%	Read and write
OI Input Active Range End Ratio		Read and write
OI Input Start Frequency Enable		Read and write
Acceleration Curve Parameter		Read and write
Deceleration Curve Parameter		Read and write
Operation Frequency Input A Setting		Read and write
Operation Frequency Input B Setting		Read and write
Operator Selection		Read and write
Frequency Addition Amount	Hz	Read and write
Frequency Addition Direction		Read and write
EL-S-curve Ratio 1 during Acceleration	%	Read and write
EL-S-curve Ratio 2 during Acceleration	%	Read and write
EL-S-curve Ratio 1 during Deceleration	%	Read and write
EL-S-curve Ratio 2 during Deceleration	%	Read and write
Deceleration Hold Frequency	Hz	Read and write
Deceleration Hold Time	s	Read and write
PID Sleep Function Action Threshold	Hz	Read and write
PID Sleep Function Action Delay Time	s	Read and write
[VR] Input Active Range Start Frequency	Hz	Read and write
[VR] Input Active Range End Frequency	Hz	Read and write
[VR] Input Active Range Start Current	%	Read and write
[VR] Input Active Range End Voltage	%	Read and write
[VR] Input Start Frequency Enable		Read and write
Retry Selection		Read and write
Allowable Momentary Power Interruption Time	s	Read and write
Retry Wait Time	s	Read and write
Momentary Power Interruption Undervoltage Trip During Stop		Read and write
Momentary Power Interruption Retry Time Selection		Read and write
Frequency Matching Lower Limit Frequency Setting	Hz	Read and write
Trip Retry Selection		Read and write
Overvoltage/Overcurrent Retry Time Selection		Read and write
Trip Retry Wait Time	s	Read and write
Electronic Thermal Level	%	Read and write
Electronic Thermal Characteristics Selection		Read and write
Free Electronic Thermal Frequency 1	Hz	Read and write
Free Electronic Thermal Current 1	A	Read and write
Free Electronic Thermal Frequency 2	Hz	Read and write
Free Electronic Thermal Current 2	A	Read and write
Free Electronic Thermal Frequency 3	Hz	Read and write
Free Electronic Thermal Current 3	A	Read and write
Overload Limit Selection		Read and write
Overload Limit Level	%	Read and write
Overload Limit Parameter	s	Read and write
Overload Limit Selection 2		Read and write
Overload Limit Level 2	%	Read and write
Overload Limit Parameter 2	s	Read and write
Overcurrent Suppression Function		Read and write
Active Frequency Matching Restart Level	%	Read and write
Active Frequency Matching Restart Parameter	s	Read and write
Starting Frequency at Active Frequency Matching Restart		Read and write
Soft Lock Selection		Read and write
Motor Cable Length Parameter		Read and write
RUN Time/Power ON Time Setting		Read and write
Rotation Direction Limit Selection		Read and write
Reduced Voltage Startup Selection		Read and write
Display Selection		Read and write
Initial Screen Selection		Read and write
User Parameter Automatic Setting Function Selection		Read and write
Torque Limit Selection		Read and write
Torque Limit 1 Forward Power	%	Read and write
Torque Limit 2 Reverse Regeneration	%	Read and write
Torque Limit 3 Reverse Power	%	Read and write
Torque Limit 4 Forward Regeneration	%	Read and write
Torque LADSTOP Selection		Read and write
Reverse Rotation Prevention Selection		Read and write
Dual Rate Selection		Read and write
Non-stop Function at Momentary Power Interruption		Read and write
Non-stop Function Starting Voltage	V	Read and write
Non-stop Function Stop Deceleration Level	V	Read and write
Non-stop Function Deceleration Time	s	Read and write
Non-stop Function Deceleration Starting Width	Hz	Read and write
Window Comparator O Upper Limit Level	%	Read and write
Window Comparator O Lower Limit Level	%	Read and write
Window Comparator O Hysteresis Width	%	Read and write
Window Comparator OI Upper Limit Level	%	Read and write
Window Comparator OI Lower Limit Level	%	Read and write
Window Comparator OI Hysteresis Width	%	Read and write
Analog Operation Level at O Disconnection	%	Read and write
Analog Operation Level at OI Disconnection	%	Read and write
Ambient Temperature	°C	Read and write
Integrated Power Clear		Read and write
Integrated Power Display Gain		Read and write
Starting Frequency	Hz	Read and write
Carrier Frequency		Read and write
Initialization Selection		Read and write
Initialization Parameter Selection		Read and write
Frequency Conversion Coefficient		Read and write
STOP Key Selection		Read and write
Free-run Stop Selection		Read and write
Automatic Carrier Frequency Reduction		Read and write
Usage Rate of Regenerative Braking Function	%	Read and write
Stop Selection		Read and write
Cooling Fan Control		Read and write
Clear Elapsed Time of Cooling Fan		Read and write
Initialization Target Data		Read and write
Regenerative Braking Function Operation Selection		Read and write
Regenerative Braking Function ON Level		Read and write
BRD Resistor	Ω	Read and write
Free V/f Frequency 1	Hz	Read and write
Free V/f Voltage 1	V	Read and write
Free V/f Frequency 2	Hz	Read and write
Free V/f Voltage 2	V	Read and write
Free V/f Frequency 3	Hz	Read and write
Free V/f Voltage 3	V	Read and write
Free V/f Frequency 4	Hz	Read and write
Free V/f Voltage 4	V	Read and write
Free V/f Frequency 5	Hz	Read and write
Free V/f Voltage 5	V	Read and write
Free V/f Frequency 6	Hz	Read and write
Free V/f Voltage 6	V	Read and write
Free V/f Frequency 7	Hz	Read and write
Free V/f Voltage 7	V	Read and write
Brake Control Selection		Read and write
Brake Wait Time for Release	s	Read and write
Brake Wait Time for Acceleration	s	Read and write
Brake Wait Time for Stopping	s	Read and write
Brake Wait Time for Confirmation	s	Read and write
Brake Release Frequency	Hz	Read and write
Brake Release Current	%	Read and write
Braking Input Frequency	Hz	Read and write
Overvoltage Protection Function Selection During Deceleration		Read and write
Overvoltage Protection Level During Deceleration	V	Read and write
Overvoltage Protection Parameter	s	Read and write
Overvoltage Protection Proportional Gain		Read and write
Overvoltage Protection Integral Time	s	Read and write
GS Input Mode		Read and write
Display Ex. Operator Connected		Read and write
1st Parameter of Dual Monitor		Read and write
2nd Parameter of Dual Monitor		Read and write
Freq. Set in Monitoring		Read and write
Auto Return Initial Display		Read and write
Ex. Operator Com. Loss Action		Read and write
Data Read/Write Selection		Read and write
Inverter Mode Selection		Read and write
Initialize Trigger		Read and write
E. Thermal Dec Mode		Read and write
E. Thermal Dec Time	s	Read and write
E. Thermal Dec Time Constant	s	Read and write
E. Thermal Accm Gain	s	Read and write
Multi-function Input 1 Selection		Read and write
Multi-function Input 2 Selection		Read and write
Multi-function Input 3 Selection		Read and write
Multi-function Input 4 Selection		Read and write
Multi-function Input 5 Selection		Read and write
Multi-function Input 6 Selection		Read and write
Multi-function Input 7 Selection		Read and write
Multi-function Input 1 Operation Selection		Read and write
Multi-function Input 2 Operation Selection		Read and write
Multi-function Input 3 Operation Selection		Read and write
Multi-function Input 4 Operation Selection		Read and write
Multi-function Input 5 Operation Selection		Read and write
Multi-function Input 6 Operation Selection		Read and write
Multi-function Input 7 Operation Selection		Read and write
Multi-function Output Terminal 11 Selection		Read and write
Multi-function Output Terminal 12 Selection		Read and write
Relay Output (AL2, AL1) Function Selection		Read and write
[EO] Terminal Selection		Read and write
AM Selection		Read and write
Digital Current Monitor Reference Value	%	Read and write
Multi-function Output Terminal 11 Contact Selection		Read and write
Multi-function Output Terminal 12 Contact Selection		Read and write
Relay Output (AL2, AL1) Contact Selection		Read and write
Light Load Signal Output Mode		Read and write
Light Load Detection Level	%	Read and write
Overload Warning Signal Output Mode		Read and write
Overload Warning Level	%	Read and write
Arrival Frequency during Acceleration	Hz	Read and write
Arrival Frequency during Deceleration	Hz	Read and write
PID Deviation Excessive Level	%	Read and write
Arrival Frequency during Acceleration 2	Hz	Read and write
Arrival Frequency during Deceleration 2	Hz	Read and write
Pulse Train Input Scale Conversion for EO Output		Read and write
PID FB Upper Limit	%	Read and write
PID FB Lower Limit	%	Read and write
Over-torque/under-torque Selection		Read and write
Overtorque Level Forward Power Running	%	Read and write
Overtorque Level Reverse Regeneration	%	Read and write
Overtorque Level Reverse Power Running	%	Read and write
Overtorque Level Forward Regeneration	%	Read and write
Over/Under Torque Signal Output Mode		Read and write
Thermal Warning Level	%	Read and write
0 Hz Detection Level	Hz	Read and write
Fin Overheat Warning Level	°C	Read and write
Communication Speed Selection		Read and write
Communication Station No.		Read and write
Communication Parity Selection		Read and write
Communication Stop Bit Selection		Read and write
Communication Error Selection		Read and write
Communication Error Timeout	s	Read and write
Communication Wait Time	ms	Read and write
O Adjustment		Read and write
OI Adjustment		Read and write
Thermistor Adjustment		Read and write
Debug Mode Selection		Read
Communication Selection		Read and write
EzCOM Start Adr. of Master		Read and write
EzCOM End Adr. of Master		Read and write
EzCOM Starting Trigger		Read and write
UP/DWN Selection		Read and write
Reset Selection		Read and write
Restart Frequency Matching Selection		Read and write
UP/DWN Clear Mode		Read and write
EO Gain Setting	%	Read and write
AM Gain Setting	%	Read and write
AM Bias Setting	%	Read and write
Overload Warning Level 2	%	Read and write
Output 11 ON Delay	s	Read and write
Output 11 OFF Delay	s	Read and write
Output 12 ON Delay	s	Read and write
Output 12 OFF Delay	s	Read and write
Relay Output ON Delay	s	Read and write
Relay Output OFF Delay	s	Read and write
Logic Output Signal 1 Selection 1		Read and write
Logic Output Signal 1 Selection 2		Read and write
Logical Output Signal 1 Operator Selection		Read and write
Logic Output Signal 2 Selection 1		Read and write
Logic Output Signal 2 Selection 2		Read and write
Logical Output Signal 2 Operator Selection		Read and write
Logic Output Signal 3 Selection 1		Read and write
Logic Output Signal 3 Selection 2		Read and write
Logical Output Signal 3 Operator Selection		Read and write
Input Terminal Response Time 1		Read and write
Input Terminal Response Time 2		Read and write
Input Terminal Response Time 3		Read and write
Input Terminal Response Time 4		Read and write
Input Terminal Response Time 5		Read and write
Input Terminal Response Time 6		Read and write
Input Terminal Response Time 7		Read and write
Multi-step Speed/Position Determination Time		Read and write
Auto-tuning Selection		Read and write
Motor Parameter Selection		Read and write
Motor Capacity Selection		Read and write
Motor Pole Number Selection		Read and write
Speed Response	%	Read and write
Stabilization Parameter		Read and write
Motor Parameter R1	Ω	Read and write
Motor Parameter R2	Ω	Read and write
Motor Parameter L		Read and write
Motor Parameter Io	A	Read and write
Motor Parameter J		Read and write
Motor Parameter R1 (Auto-tuning Data)	Ω	Read and write
Motor Parameter R2 (Auto-tuning Data)	Ω	Read and write
Motor Parameter L (Auto-tuning Data)		Read and write
Motor Parameter Io (Auto-tuning Data)	A	Read and write
Motor Parameter J (Auto-tuning Data)		Read and write
Slip Compensation P Gain for V/f Control with FB		Read and write
Slip Compensation I Gain for V/f Control with FB		Read and write
PM Motor Code Selection		Read and write
PM Motor Capacity		Read and write
PM Motor Pole Number Selection		Read and write
PM Rated Current	A	Read and write
PM Parameter R	Ω	Read and write
PM Parameter Ld		Read
PM Parameter Lq		Read
PM Parameter Ke		Read
PM Parameter J		Read
PM Parameter R (Auto-tuning Data)	Ω	Read
PM Parameter Ld (Auto-tuning Data)		Read
PM Parameter Lq (Auto-tuning Data)		Read
PM Speed Response		Read
PM Starting Current	%	Read
PM Starting Time	s	Read
PM Stabilization Constant		Read
PM Minimum Frequency	%	Read
PM No-Load Current	%	Read
PM Starting Method		Read
PM IMPE 0V Wait		Read
PM IMPE Detect Wait		Read
PM IMPE Detect		Read
PM IMPE Voltage Gain		Read
Operation Selection at Option 1 Error		Read and write
EA Terminal Selection		Read and write
Pulse Train Input Mode for Feedback		Read and write
Encoder Pulses		Read and write
Simple Positioning Selection		Read and write
Creep Speed	Hz	Read and write
Positioning Range		Read and write
Over-speed Error Detection Level	%	Read and write
Speed Deviation Error Detection Level	Hz	Read and write
Acceleration/Deceleration Time Input Type		Read and write
Torque Reference Input Selection		Read and write
Torque Reference Setting	%	Read and write
Torque Bias Mode		Read and write
Torque Bias Value	%	Read and write
Torque Bias Polarity Selection		Read and write
Speed Limit Value in Torque Control (Forward)	Hz	Read and write
Speed Limit Value in Torque Control (Reverse)	Hz	Read and write
Speed/Torque Control Switching Time		Read and write
Network Comm. Watchdog Timer	s	Read and write
Operation Setting at Communications Error		Read and write
Instance Number		Read and write
Operation Setting at Idle Mode Detection		Read and write
Polarity Setting for Rotation Speed		Read and write
Pulse Train Frequency Scale		Read and write
Pulse Train Frequency Filter Time Constant	s	Read and write
Pulse Train Frequency Bias Amount	%	Read and write
Pulse Train Frequency Limit	%	Read and write
Pulse Input Lower Cut	%	Read and write
Multi-step Position Command 0		Read and write
Multi-step Position Command 1		Read and write
Multi-step Position Command 2		Read and write
Multi-step Position Command 3		Read and write
Multi-step Position Command 4		Read and write
Multi-step Position Command 5		Read and write
Multi-step Position Command 6		Read and write
Multi-step Position Command 7		Read and write
Zero Return Mode		Read and write
Zero Return Direction Selection		Read and write
Low-speed Zero Return Frequency		Read and write
High-speed Zero Return Frequency		Read and write
Position Range Specification (Forward)		Read and write
Position Range Specification (Reverse)		Read and write
Positioning Mode		Read and write
Encoder Disconnection Timeout	s	Read and write
Position Restarting Range		Read and write
Save Position at Power Off		Read and write
Current Position at Power Off		Read and write
Preset Position Data		Read and write
Drive Program Parameter U(00)		Read and write
Drive Program Parameter U(01)		Read and write
Drive Program Parameter U(02)		Read and write
Drive Program Parameter U(03)		Read and write
Drive Program Parameter U(04)		Read and write
Drive Program Parameter U(05)		Read and write
Drive Program Parameter U(06)		Read and write
Drive Program Parameter U(07)		Read and write
Drive Program Parameter U(08)		Read and write
Drive Program Parameter U(09)		Read and write
Drive Program Parameter U(10)		Read and write
Drive Program Parameter U(11)		Read and write
Drive Program Parameter U(12)		Read and write
Drive Program Parameter U(13)		Read and write
Drive Program Parameter U(14)		Read and write
Drive Program Parameter U(15)		Read and write
Drive Program Parameter U(16)		Read and write
Drive Program Parameter U(17)		Read and write
Drive Program Parameter U(18)		Read and write
Drive Program Parameter U(19)		Read and write
Drive Program Parameter U(20)		Read and write
Drive Program Parameter U(21)		Read and write
Drive Program Parameter U(22)		Read and write
Drive Program Parameter U(23)		Read and write
Drive Program Parameter U(24)		Read and write
Drive Program Parameter U(25)		Read and write
Drive Program Parameter U(26)		Read and write
Drive Program Parameter U(27)		Read and write
Drive Program Parameter U(28)		Read and write
Drive Program Parameter U(29)		Read and write
Drive Program Parameter U(30)		Read and write
Drive Program Parameter U(31)		Read and write
EzCOM Number of Data		Read and write
EzCOM Destination 1 Address		Read and write
EzCOM Destination 1 Register		Read and write
EzCOM Source 1 Register		Read and write
EzCOM Destination 2 Address		Read and write
EzCOM Destination 2 Register		Read and write
EzCOM Source 2 Register		Read and write
EzCOM Destination 3 Address		Read and write
EzCOM Destination 3 Register		Read and write
EzCOM Source 3 Register		Read and write
EzCOM Destination 4 Address		Read and write
EzCOM Destination 4 Register		Read and write
EzCOM Source 4 Register		Read and write
EzCOM Destination 5 Address		Read and write
EzCOM Destination 5 Register		Read and write
EzCOM Source 5 Register		Read and write
Option I/F Cmd W Register 1		Read and write
Option I/F Cmd W Register 2		Read and write
Option I/F Cmd W Register 3		Read and write
Option I/F Cmd W Register 4		Read and write
Option I/F Cmd W Register 5		Read and write
Option I/F Cmd W Register 6		Read and write
Option I/F Cmd W Register 7		Read and write
Option I/F Cmd W Register 8		Read and write
Option I/F Cmd W Register 9		Read and write
Option I/F Cmd W Register 10		Read and write
Option I/F Cmd R Register 1		Read and write
Option I/F Cmd R Register 2		Read and write
Option I/F Cmd R Register 3		Read and write
Option I/F Cmd R Register 4		Read and write
Option I/F Cmd R Register 5		Read and write
Option I/F Cmd R Register 6		Read and write
Option I/F Cmd R Register 7		Read and write
Option I/F Cmd R Register 8		Read and write
Option I/F Cmd R Register 9		Read and write
Option I/F Cmd R Register 10		Read and write
Profibus Node Address		Read and write
Profibus Clear Mode		Read and write
Profibus Map Selection		Read and write
CANopen Node Address		Read and write
CAN Open Communication Speed		Read and write
CompoNet Node Address		Read and write
DeviceNet Node Address		Read and write
Serial Comms Mode		Read and write
Modbus External Register 1		Read and write
Modbus External Register 2		Read and write
Modbus External Register 3		Read and write
Modbus External Register 4		Read and write
Modbus External Register 5		Read and write
Modbus External Register 6		Read and write
Modbus External Register 7		Read and write
Modbus External Register 8		Read and write
Modbus External Register 9		Read and write
Modbus External Register 10		Read and write
Modbus Register Format 1		Read and write
Modbus Register Format 2		Read and write
Modbus Register Format 3		Read and write
Modbus Register Format 4		Read and write
Modbus Register Format 5		Read and write
Modbus Register Format 6		Read and write
Modbus Register Format 7		Read and write
Modbus Register Format 8		Read and write
Modbus Register Format 9		Read and write
Modbus Register Format 10		Read and write
Modbus Register Scaling 1		Read and write
Modbus Register Scaling 2		Read and write
Modbus Register Scaling 3		Read and write
Modbus Register Scaling 4		Read and write
Modbus Register Scaling 5		Read and write
Modbus Register Scaling 6		Read and write
Modbus Register Scaling 7		Read and write
Modbus Register Scaling 8		Read and write
Modbus Register Scaling 9		Read and write
Modbus Register Scaling 10		Read and write
Modbus Internal Register 1		Read and write
Modbus Internal Register 2		Read and write
Modbus Internal Register 3		Read and write
Modbus Internal Register 4		Read and write
Modbus Internal Register 5		Read and write
Modbus Internal Register 6		Read and write
Modbus Internal Register 7		Read and write
Modbus Internal Register 8		Read and write
Modbus Internal Register 9		Read and write
Modbus Internal Register 10		Read and write
Big/Little Endian Selection		Read and write
Output Frequency Monitor Single Word	Hz	Read
PID Feedback Value Monitor Single Word		Read
Output Frequency Monitor After Conversion Single Word		Read
Real Frequency Monitor Single Word	Hz	Read
Fault Monitor 1 Single Word		Read
Output Frequency Setting Single Word	Hz	Read and write
Acceleration Time 1 Single Word	s	Read and write
Deceleration Time 1 Single Word	s	Read and write
Multi-step Speed Reference 0 Single Word	Hz	Read and write
Multi-step Speed Reference 1 Single Word	Hz	Read and write
Multi-step Speed Reference 2 Single Word	Hz	Read and write
Multi-step Speed Reference 3 Single Word	Hz	Read and write
Frequency Upper Limit Single Word	Hz	Read and write
Frequency Lower Limit Single Word	Hz	Read and write
Acceleration Stop Frequency Single Word	Hz	Read and write
Frequency Addition Amount Single Word	Hz	Read and write
Deceleration Hold Frequency Single Word	Hz	Read and write
PID Sleep Function Action Threshold Single Word	Hz	Read and write
Frequency Matching Lower Limit Single Word	Hz	Read and write
2nd Acceleration Time 1	s	Read and write
2nd Deceleration Time 1	s	Read and write
Frequency Reference Selection, 2nd Motor		Read and write
Run Command Selection, 2nd Motor		Read and write
2nd Set Base Frequency	Hz	Read and write
2nd Maximum Frequency	Hz	Read and write
2nd Multi-step Speed Reference 0	Hz	Read and write
2nd Torque Boost Selection		Read and write
2nd Torque Boost Voltage	%	Read and write
2nd Manual Torque Boost Frequency	%	Read and write
2nd V/f Characteristics Selection		Read and write
Output Voltage Gain, 2nd Motor	%	Read and write
2nd Automatic Torque Boost Voltage Compensation Gain		Read and write
2nd Automatic Torque Boost Slip Compensation Gain		Read and write
2nd Frequency Upper Limit	Hz	Read and write
2nd Frequency Lower Limit	Hz	Read and write
AVR Selection, 2nd Motor		Read and write
AVR Voltage Selection, 2nd Motor		Read and write
2nd Acceleration Time 2	s	Read and write
2nd Deceleration Time 2	s	Read and write
Acc2/Dec2 Switching Method, 2nd Motor		Read and write
Acc1 to Acc2 Frequency Transition Point, 2nd Motor	Hz	Read and write
Dec1 to Dec2 Frequency Transition Point, 2nd Motor	Hz	Read and write
2nd Electronic Thermal Level	%	Read and write
2nd Electronic Thermal Characteristics Selection		Read and write
Overload Limit Selection, 2nd Motor		Read and write
Overload Limit Level, 2nd Motor	%	Read and write
Overload Limit Parameter, 2nd Motor		Read and write
Overload Warning Level 2, 2nd Motor	%	Read and write
2nd Motor Parameter Selection		Read and write
2nd Motor Capacity Selection		Read and write
2nd Motor Pole Number Selection		Read and write
2nd Speed Response	%	Read and write
2nd Stabilization Parameter		Read and write
2nd Motor Parameter R1	Ω	Read and write
2nd Motor Parameter R2	Ω	Read and write
2nd Motor Parameter L		Read and write
2nd Motor Parameter Io	A	Read and write
2nd Motor Parameter J		Read and write
2nd Motor Parameter R1 (Auto-tuning Data)	Ω	Read and write
2nd Motor Parameter R2 (Auto-tuning Data)	Ω	Read and write
2nd Motor Parameter L (Auto-tuning Data)		Read and write
2nd Motor Parameter Io (Auto-tuning Data)	A	Read and write
2nd Motor Parameter J (Auto-tuning Data)		Read and write

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Use cases

Show output frequency, current and power of every drive on one dashboard.
Send an alert when the trip factor is not 0, so you know a drive stopped on a fault.
Keep a history of heat sink temperature and current to spot an overloaded motor.
Change the frequency setpoint or ramp times remotely without going to the cabinet.
Track run hours and power-on hours to plan fan and capacitor replacement.

Installation

Connect SP (+) and SN (-) of the drive to RS485 A and B of the ModbusCloud Gateway and switch on the termination DIP switch on the last device.
Set station number C072, speed C071 and parity C074 on the keypad; the factory setting is station 1, 9600 baud, no parity.
Set A001 and A002 to 03 if the drive should take frequency and run command over Modbus.
In ModbusCloud, add a Modbus device with these settings and import this template.
Check that output frequency and DC bus voltage come in.

Things to watch for

The drive does not answer on the bus. What should I check?

Compare station number, speed, parity and stop bits (C072, C071, C074, C075) with the device settings in ModbusCloud, and swap SP and SN if needed. Use the termination resistor only at the two ends of the bus. Changed communication settings take effect after a power cycle.

Why does the drive ignore the run command or frequency I write?

The drive only takes frequency and run command over Modbus when A001 and A002 are set to 03. Otherwise it keeps following the keypad or the terminals, even though the write is accepted.

Are written parameters kept after a power cycle?

A write goes to RAM first. Write 1 to the Writing to EEPROM register to store all data, or use EEPROM write mode for a single change. The EEPROM allows about 100,000 writes, so do not store on every change.

What should I keep in mind when writing parameters?

Many parameters can only be changed while the drive is stopped, and the drive rejects values outside the listed range. Check limits such as maximum frequency and current before you write, because a wrong ramp or limit changes how the motor behaves.

Can I connect several drives to one bus?

Yes. Give every drive its own station number from 1 to 247 and add each one as a separate Modbus device in ModbusCloud. Terminate only the first and last device on the bus.

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